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06-17-2010, 05:35 PM
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Originally Posted by AIREAYE View Post
F= ma is only applicable in a theoretical closed system, but you've gotta factor air resistance in this one. Yes your hypothesis on mass being inversely proportional to acceleration is correct but he's asking for puck VELOCITY/Speed and not acceleration, a lighter puck would probably accelerate off a shot faster, but its terminal velocity (maximum speed) would be less that of a heavier puck (depending how much heavier), whose greater momentum (momentum = mass x velocity) would 'push it thru' air resistance easier. But again, this is all theoretical of course
Unless shooting pucks off a cliff, terminal velocity really won't apply.

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